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Finding the Fourth Proportional to 432,117.63, 648,188.42 and 116,573.63

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Solution

The fourth proportional to 432,117.63, 648,188.42 and 116,573.63 is: 174,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,117.63 : 648,188.42 = 116,573.63 : x
  2. Step 2: Convert to fraction form
    432,117.63/648,188.42 = 116,573.63/x
  3. Step 3: Cross multiply
    432,117.63x = 648,188.42 × 116,573.63
  4. Step 4: Simplify right side
    432,117.63x = 75,561,673,219.55
  5. Step 5: Solve for x
    x = 75,561,673,219.55/432,117.63
  6. Step 6: Final answer
    x = 174,863.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.